Do you know what's in a vape? Vaping is often marketed as a safer alternative to smoking, but many vape products contain nicotine, harmful chemicals, and heavy metals that can harm developing brains and lungs. Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram Vapes vs Cigarettes: Which One is More Deadly? Atlus How Many Puffs in a Day Is Normal? RELX Vape Knowledge Is vaping a safe alternative to smoking? A1AD Support